K&N for factory box.
I use the K&N in the factory box. Very cost effective, but cleaning it and re-oiling it takes some time to do as recommended by the manufacturer.
The platform is simple to make, once you make a cardboard template of the shape of the space at this height. Incorporating the drawers from this post would make for an even better finished product.
Concealed Cargo Area
I built a raised platform just above the wheel wells and covered it with carpet. The sides over the wheel wells are hinged so they fold up for easy removal when I need space for larger items. The platform is made from 3/4" plywood. The supports are furniture legs. I...
Change to Michelin
Mine came with the Dunlap AT20. Changed them to Michelin X Radial LT. The Michelin's did well this past winter in the snow. Much better ride than the Dunlap's. Have not had the chance to check them out off road. I spend most of my driving on pavement, but spend some time...
My 07 4Runner is easy to change the oil. I take my Accord to the dealer, but not my 4Runner.
I use two short pieces of 2x8 laid flat and drive up on them. This give me just enough room to crawl under and get my drain pan to clear the frame cross member.
It is just easier than going to...
Snowboard Racks
I would suggest you go to www.yakima.com. The have products to carry all sorts of things on your rack. This will cost more than tie downs, but will be much safer.
Rear Window Issues
One thing I discovered is that you can accidentally roll down the rear window with the key fob. If you don't unlock the window controls on the driver door, then the dash switch will not roll the window back up.